CVE-2026-1460 Command injection in DX3301-T0 firmware
An authenticated administrator can execute arbitrary OS commands via the DomainName parameter in Zyxel router firmware.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1460?
CVE-2026-1460 is a high-severity command injection vulnerability in Zyxel DX3301-T0 firmware, published on 28 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.
Weakness: CWE-78
Which versions are affected by CVE-2026-1460?
It affects 45 products.
Products include Zyxel Am7510-00 Firmware, Zyxel Ax7501-B1 Firmware, Zyxel Dx3300-T0 Firmware, Zyxel Dx3300-T1 Firmware, Zyxel Dx3301-T0 Firmware, Zyxel Dx5401-B1 Firmware and 39 more.
How do I fix CVE-2026-1460?
No fix has been published for CVE-2026-1460 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-1460 being exploited?
There is no known exploitation of CVE-2026-1460 in the wild and no public exploit code.
Other vulnerabilities in Zyxel DX3301-T0 firmware
Sources
Also known as GHSA-cwqh-g98f-v98j.